getdap.cc: Fixed a bug where the constraint expression passed in using -c was not used when getting either a DDS or a DDX (but it was used when getting data).
getdap.cc: Fixed a bug where the constraint expression passed
in using -c was not used when getting either a DDS or a DDX
(but it was used when getting data).

OPENDAP/libdap,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap,OPENDAP/libdap,OPENDAP/libdap